Mussel (image) University of Illinois at Urbana-Champaign Caption A team of biologists, headed by Jeremy Tiemann of the Illinois Natural History Survey, transported two endangered freshwater mussel species, the northern riffleshell (Epioblasma rangiana) and clubshell (Pleurobema clava, pictured), from Pennsylvania to Illinois. Credit Image courtesy Jeremy Tiemann Usage Restrictions This photo may only be used in conjunction with information pertaining to this release. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.